General information
Category:
Coding, syntax & commands
>I have 500,000 records and need to find the estimated 100
>duplicate records based on 5 key fields. I would like to
>keep the record with the highest dollar amount and delete
>the others using the primary key.
>
>I am toying with the idea of performing a SQL Select
>and get records matching the group criteria with a count
>greater than 1. However, I will not have the proper PK
>when grouping. the other method is to sort the data and
>then compare the current record versus the previous.
>
>any thoughts on the best approach?
I wrote an app that dup checks using this code:
select * as Total_Dups
from Table
group by Key
having count(*) > 1
order by Key
into table HoldFile
Previous
Reply
View the map of this thread
View the map of this thread starting from this message only
View all messages of this thread
View all messages of this thread starting from this message only